19591484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{445261}}^1$

素因数の和:445276

約数の個数: 12

約数和(自身を含む): 37402008

約数和(自身を除く): 17810524

約数列:

[1, 2, 4, 11, 22, 44, 445261, 890522, 1781044, 4897871, 9795742, 19591484]

約数ペア:

[(1, 19591484), (2, 9795742), (4, 4897871), (11, 1781044), (22, 890522), (44, 445261)]